(VOVworld) -  Vietnam and Laos have pledged continued cooperation in preservation and museum work as well as the refurbishment of historical sites paying tribute to Party and State leaders. Leaders of Laos’ Kaysone Phomvihane Museum and President Ho Chi Minh relict site signed a cooperation agreement for 2016 in Hanoi during a visit to Laos by a delegation of the President Ho Chi Minh relic site from July 15 to 21. Both sides discussed measures to boost bilateral ties in 2016 including promoting regular exchanges of experience and documents of research.